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Species-specific placental corticotropin releasing hormone messenger RNA and peptide expression
B G Robinson1, J L Arbiser, R L Emanuel
1Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02115.
The human placenta is a major site of synthesis of the hypothalamic neuropeptide corticotropin releasing hormone (CRH). We have examined placentae of several other species for expression of the CRH gene in this tissue. CRH mRNA was detected in human, gorilla, and rhesus monkey placentae, but not in rat, guinea pig and lemur placentae. A nonhuman primate may therefore be a suitable experimental model for studying placental CRH gene expression in vivo.
The human placenta is a major site of synthesis of the hypothalamic neuropeptide corticotropin releasing hormone (CRH). We have examined placentae of several other species for expression of the CRH gene in this tissue. CRH mRNA was detected in human, gorilla, and rhesus monkey placentae, but not in rat, guinea pig and lemur placentae. A nonhuman primate may therefore be a suitable experimental model for studying placental CRH gene expression in vivo.